Disposal of retorted oil shale from the Paraho oil shale project. Final report, April 1974--December 1976

Technical Report · Wed Dec 01 04:00:00 EST 1976

OSTI ID:7299443

Holtz, W G

A project to demonstrate the feasibility of retorting oil shale by the Paraho vertical retort process was carried out at Anvil Points, Colo., during 1974-76. As part of the demonstration project, laboratory and field tests were performed to determine the physical and chemical properties of the retorted shale for use in the development of eventual full-scale disposal plans. The material which exists from the Paraho retort is classified as a nonplastic silty gravel by the Unified Soil Classification System. The material can be compacted by normal laboratory and field construction methods to about 90 to 100 pounds per cubic foot dry density depending upon the degree of compactive effort applied. When high compactive effort is applied the retorted shale is classed as impervious to waterflow. The compacted retorted shale exhibits shear strengths in the same order as those observed for silty gravel soils. If the compacted material is cured prior to strength testing considerable strength gain can be obtained from cementing action. (Color illustrations reproduced in black and white.)

• Research Organization: Development Engineering, Inc., Grand Junction, CO (USA); Woodward-Clyde Consultants, Denver, CO (USA)
• OSTI ID: 7299443
• Report Number(s): PB-263793
• Country of Publication: United States
• Language: English

Related Subjects

04 OIL SHALES AND TAR SANDS
040402 -- Oil Shales & Tar Sands-- Surface Methods
040900* -- Oil Shales & Tar Sands-- Waste management
CHEMICAL PROPERTIES
COMPACTING
DENSITY
MANAGEMENT
MECHANICAL PROPERTIES
METAMORPHIC ROCKS
PARAHO PROCESS
PHYSICAL PROPERTIES
RETORTING
ROCKS
SHALES
SHEAR PROPERTIES
SPENT SHALES
WASTE DISPOSAL
WASTE MANAGEMENT
WASTE PRODUCT UTILIZATION